Question: What is the municipality of Catalonia that has the highest population?
Paraphrase: What part of Catalonia has the highest population?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q33146843 . ?ent wdt:P1082 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Barcelona, L'Hospitalet de Llobregat, Terrassa, Badalona, Sabadell